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Additional resources for A platform-centric approach to system-on-chip (SOC) design

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The approach uses Mathworks’ Simulink to capture a high-level data flow and control flow diagrams. Based on pre-characterized hardware components, it implements data path macros directly using a tool such as Synopsys’s Module Compiler, while the control logic is translated into VHDL and synthesized. In this approach, algorithms are mapped directly into hardware that derives its parallelism not from multiple CPUs, but from a multitude of distributed arithmetic units. Although the current results claim to be two to three orders of magnitude more efficient in power and area than architectures based on software processors, the chip-in-a-day approach finds its limitations in the following: It still cannot improve upon the execution time.

This book asserts that such contributions bring about a desirable paradigm 40 Platform-Centric SoC Design Methodology shift along with an improvement in the overall efficiency of the proposed SoC design approach. The next chapter gives a technological overview of the essential background related to the Unified Modeling Language (UML) and the Extensible Markup Language (XML). It commences with an introduction to UML, followed by a discussion on the UML Profile for Schedulability, Performance, and Time Specification [29].

1 lists the models and diagrams as defined by UML. Use case diagrams describe what a system does from the standpoint of an external observer. They are closely connected to scenarios—an example of what happens when someone or something interacts with the system. A use case is a summary of scenarios for a single task of goal. An actor is who or what initiates the events involved in that task. The connection between actor and use case is called a communication association. A use case diagram can also be viewed as a collection of actors, use cases and their communications.